body{
  overflow-x: hidden;
  background: #f9f7f4;
}
/*============================================================================

	#mainvisual

============================================================================*/
.mainvisual_wrap{
  position: relative;
  height: 875px;
  background: url(../images/mainvisual_slide1.png) no-repeat;
  background-size: cover;
  animation:  mv_fadein 1s 0.5s ease-in-out both;
  z-index: 1;
}

@keyframes mv_fadein {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

#mainvisual{
	height: calc(875px - 160px);
}

.box1{
	margin:0 auto 0px;
}

h3.tit01{
  margin-bottom: 90px;
}

h4.tit01::before{
  display: none;
}

.btn02 a{
  padding: 7px 35px 6px 20px;
}

.btn02 a::after {
  top: 14px;
}

@media screen and (max-width:640px) {
/* スマホ */
  .mainvisual_wrap{
    height: 600px;
  }
  
  #mainvisual{
    height: inherit;
  }
  
  .box1{
    margin: 0 6%;
  }
  
  h3.tit01{
    margin-bottom: 40px;
  }

}

 /* iphone5 */
@media screen and (min-width:320px) and (max-width:374px){
	.mainvisual_wrap{
    height: 500px;
  }
  
}